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The Growth of Azotobacter vinelandii on p-Hydroxybenzoic Acid from Soil Medium

The purpose of this study was to search for the substrates utilized by Azotobacter vinelandii in dialysed soil media. Also, we sought to determine the relationship between these substrates and the growth and morphological variations of A. vinelandii. p-Hydroxybenzoic acid was shown to be used as the carbon and energy source by A. vinelandii in dialysed soil medium. The amount of this compound in the soil dialysed soil medium ranged from 14 to 21 micrograms per gram of soil. In a dialysed soil medium, p-hydroxybenzoic acid induced A. vinelandii to form minute bodies, similar to the filtrable forms reported by Gonzalez and Vela, although no growth of minute bodies was detected.

Identiferoai:union.ndltd.org:unt.edu/info:ark/67531/metadc663192
Date08 1900
CreatorsWu, Fang Jy
ContributorsVela, G. Roland, 1927-, Chen, Young C., Johansson, Karl R.
PublisherNorth Texas State University
Source SetsUniversity of North Texas
LanguageEnglish
Detected LanguageEnglish
TypeThesis or Dissertation
Formatvi, 41 leaves: ill., Text
RightsPublic, Wu, Fang Jy, Copyright, Copyright is held by the author, unless otherwise noted. All rights

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